Home / 103,469,147,363.10-155,203,721,044.65-101,144,624,429.10

Finding the Fourth Proportional to 103,469,147,363.10, 155,203,721,044.65 and 101,144,624,429.10

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Solution

The fourth proportional to 103,469,147,363.10, 155,203,721,044.65 and 101,144,624,429.10 is: 151,716,936,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,469,147,363.10 : 155,203,721,044.65 = 101,144,624,429.10 : x
  2. Step 2: Convert to fraction form
    103,469,147,363.10/155,203,721,044.65 = 101,144,624,429.10/x
  3. Step 3: Cross multiply
    103,469,147,363.10x = 155,203,721,044.65 × 101,144,624,429.10
  4. Step 4: Simplify right side
    103,469,147,363.10x = 15,698,022,075,059,929,088,000
  5. Step 5: Solve for x
    x = 15,698,022,075,059,929,088,000/103,469,147,363.10
  6. Step 6: Final answer
    x = 151,716,936,643.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.